alex99y

XLABS focuses on building core infrastructure for the decentralised web and is a core contributor to the Wormhole interoperability protocol. Designed and implemented internal SDKs used across multiple products, integrating cross-chain protocols such as Circle CCTP and the Wormhole Token Bridge. Built a backend service to orchestrate EVM and Solana transactions, abstracting cross-chain complexity and addressing common reliability and execution challenges. Maintained and evolved the Relay service, enabling autonomous cross-chain message delivery across supported blockchains.

C3 was a self-custodial, multi-chain cryptocurrency exchange enabling users to trade directly from their personal wallets across multiple blockchains, with integrated lending and borrowing liquidity pools built on a hybrid off-chain/on-chain architecture. Designed and maintained the official C3 Typescript SDK, enabling JS clients to interact with the platform. I.e, Order management, lend/borrow, deposits, withdrawals and market data retrieval (accounts, orderbook, trades, etc.). Designed, implemented, and maintained a high-performance REST API for the C3 platform, applying security best practices and integrating database-backed services. Collaborated closely with frontend engineers, market makers, and external clients to integrate their systems with the C3 platform.

Rand Labs was a software development company specialising in Algorand blockchain infrastructure, responsible for building core ecosystem products, including AlgoExplorer (the official blockchain explorer), MyAlgo Wallet, and the AlgoExplorer API. Lead developer of MyAlgo Wallet, a production-grade Algorand web wallet for securely managing user accounts, private keys, and blockchain transactions, including support for Ledger Nano hardware wallets and multisignature accounts. Lead developer of MyAlgo Connect, a browser-based integration layer enabling secure communication between decentralised applications and MyAlgo Wallet; designed and maintained the JavaScript browser SDK used by third-party integrators. Designed and developed the AlgoExplorer REST API and its indexing pipeline, efficiently processing on-chain data to power AlgoExplorer and MyAlgo Wallet.